package com.dims_hsrc.common.utils.bean;


import org.springframework.beans.BeansException;
import org.springframework.beans.FatalBeanException;
import org.springframework.util.Assert;

import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;

public abstract class UBeanUtils extends org.springframework.beans.BeanUtils {

	  public static void copyProperties(Object source, Object target) throws BeansException {
	    Assert.notNull(source, "Source must not be null");
	    Assert.notNull(target, "Target must not be null");
	    Class<?> actualEditable = target.getClass();
	    PropertyDescriptor[] targetPds = getPropertyDescriptors(actualEditable);
	    for (PropertyDescriptor targetPd : targetPds) {
	      if (targetPd.getWriteMethod() != null) {
	        PropertyDescriptor sourcePd = getPropertyDescriptor(source.getClass(), targetPd.getName());
	        if (sourcePd != null && sourcePd.getReadMethod() != null) {
	          try {
	            Method readMethod = sourcePd.getReadMethod();
	            if (!Modifier.isPublic(readMethod.getDeclaringClass().getModifiers())) {
	              readMethod.setAccessible(true);
	            }
	            Object value = readMethod.invoke(source);
	            // 这里判断以下value是否为空 当然这里也能进行一些特殊要求的处理 例如绑定时格式转换等等
	            if (value != null) {
	              Method writeMethod = targetPd.getWriteMethod();
	              if (!Modifier.isPublic(writeMethod.getDeclaringClass().getModifiers())) {
	                writeMethod.setAccessible(true);
	              }
	              writeMethod.invoke(target, value);
	            }
	          } catch (Throwable ex) {
	            throw new FatalBeanException("Could not copy properties from source to target", ex);
	          }
	        }
	      }
	    }
	  }
}
